Trophon consociale (FOSSIL) Wood, 1848 †
Typhinellus constrictus R. Houart & V. Héros,2015
Siratus consuela (A.H. Verrill, 1950)
Pterynotus contabulatus (FOSSIL) (J.B.P.A. Lamarck,1803 †)
Ergalatax contracta (L.A. Reeve, 1846)
Xymene convexus (H.H. Suter, 1909)
Phyllocoma convoluta (W.J. Broderip, 1833)
Babelomurex cookae S. Kosuge, 1988
Takia cookei (FOSSIL) E.H. Vokes, 1975 †
Dermomurex coonsorum E.J. Petuch, 2013
Murex coppingeri E.A. Smith, 1884
Leptotrophon coralensis R. Houart, 1995
Orania corallina (J.C. Melvill & R. Standen,1903)
Ocinebrina corallinoides P.M. Pallary, 1912
Timbellus corbariae R. Houart, 2015
Leptotrophon coriolis R. Houart, 1995
Mipus coriolisi S. Kosuge & M. Oliverio,2004
Chicoreus cornucervi (P.F. Röding, 1798)
Chicoreus cornucervi monodon (P.F. Röding, 1798)
Triplex cornurectus (FOSSIL) R.J.L. Guppy, 1876 †
Drupella cornus (P.F. Röding, 1798)
Bolinus cornutus (C. Linnaeus, 1758)
Bolinus cornutus tumulosus G.B. II Sowerby, 1841
Morula coronata (A. Adams, 1869)
Comptella coronata R.K. Dell, 1956
Pinaxia coronata A. Adams, 1853
Taurasia coronata (FOSSIL) L.M.D. Bellardi, 1882 †
Taurasia coronata pernodulosa (FOSSIL) F. Sacco, 1904 †
Thaisella coronata (J.B.P.A. Lamarck, 1816)
Coronium coronatum (L. Penna-Neme& J.L.M. Leme, 1978)
Nodulotrophon coronatus (H. Adams & A. Adams,1864)
Typhisopsis coronatus (W.J. Broderip, 1833)
Chicoreus corrigendum (FOSSIL) E.H. Vokes, 1989 †
Xymenopsis corrugata (L.A. Reeve, 1848)
Chicoreus corrugatus (G.B. II Sowerby, 1841)